CN207364215U - A kind of lifting structure - Google Patents
A kind of lifting structure Download PDFInfo
- Publication number
- CN207364215U CN207364215U CN201721143790.4U CN201721143790U CN207364215U CN 207364215 U CN207364215 U CN 207364215U CN 201721143790 U CN201721143790 U CN 201721143790U CN 207364215 U CN207364215 U CN 207364215U
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- Prior art keywords
- screw
- worm
- worm gear
- wheel shaft
- retarder
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 241000237858 Gastropoda Species 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a kind of lifting structure, belongs to the technical field of mechanical automation.A kind of lifting structure includes the stent for setting driver and retarder, retarder is worm gear structure, and a screw is fixed with the axle center of worm gear, sliding block is arranged with screw, and the screw thread identical with screw thread on screw is provided with sliding block, and worm gear and worm-wheel shaft are set in integral type, at the same time, one end of screw is protruded fully into the mounting hole of worm gear and worm-wheel shaft, and the both ends of worm-wheel shaft are directly connected by clutch shaft bearing with casing；The utility model is by setting screw and slide block structure, and slowed down by the accelerator of worm and gear, load-bearing capacity is improved, ensure that worm gear and the rotating stabilization of screw, so as to improve precision and extend service life, and turbine and worm-wheel shaft are set in integral type, and the both ends of worm-wheel shaft are directly fixed on casing, stability is further improved, improves lifting precision, and it is simple in structure, reduce cost.
Description
Technical field
The technical field of mechanical automation is the utility model is related to, is specifically related to a kind of lifting structure.
Background technology
With the development of society, the continuous research of science and technology, production and life of the mechanical automation equipment in people
Extensive utilization is obtained in work, therefore, designing high performance equipment becomes the emphasis studied now.
Traditional, for the equipment for being provided with lifting structure, generally there are following several ways：
The first, rope and pulley structure, drive rope to be realized around pulley rotation to cable end by draw-gear
Lifting and decline；
Second, chain structure, drives chain lifting by draw-gear, realizes to chain ends structure or match somebody with somebody with chain
The lifting of the structure of conjunction；
The third, gear ＆ rack structure, by the rotation of gear or the linear motion of rack, band carry-over bar or gear rise
Drop movement；
4th kind, screw slide block structure, is moved up and down by the rotation of screw with movable slider along the length direction of screw.
But not only precision is not high for first way and the second way, also it is difficult to lift the big structure of quality, is not suitable for
High-precision large scale equipment；The third mode, which exists, is driven the problem of unstable, and structure easily deforms upon, and equally causes precision
The problem of low, also there are the defects of short life；Although the 4th kind of mode precision is higher, general supporting drive apparatus is more multiple
It is miscellaneous, and easily deflect in the case of fixation is unstable, equally cause to lift the problem of precision is not high.
In conclusion current lifting device has a lifting precision bottom, complicated, load-bearing capacity is poor and service life
The problem of short.
Utility model content
For the above-mentioned problems in the prior art, a kind of lifting structure is now aimed to provide, to set screw and sliding block
For main lifting structure, and it is driven by worm reducer, the worm screw for driving worm reducer by motor is rotated,
Driving wheel is delivered on worm gear by worm screw, and worm gear set is arranged on a screw, ensure that worm gear can drive silk in worm reducer
Bar rotates, it is achieved thereby that purpose of the sliding block along the axial movement of screw, so that elevating movement is embodied, since drive mechanism is
Gear structure, transmission is more stablized, and the structure of screw and sliding block is not easy deformation, and ensure that the precision of lifting and extend makes
With the service life, meanwhile, the axis and worm gear of the worm gear in worm reducer are set in integral type, and the both ends of the axis of worm gear are directly put
Be placed on the casing of worm reducer, stability higher, prevent because offset and caused by lifted low precision the problem of, and device only
There are a set of worm gear, worm structure, structure is simpler, easy to the maintenance in later stage, reduces cost.
Concrete technical scheme is as follows：
A kind of lifting structure, has the feature that, including：Stent, driver, retarder and screw and sliding block, drive
Dynamic device and retarder are fixedly installed on stent, and the drive shaft of driver and the input axis connection of retarder, wherein,
Retarder includes casing, worm gear and worm screw, and casing is fixed on stent, and worm gear and worm screw are arranged in casing simultaneously
Intermeshing, worm screw is input shaft, and one end of worm screw is connected in the drive shaft of driver, and worm gear and worm-wheel shaft are set in integral type
Put, the longitudinal section of the overall shape of worm gear and worm-wheel shaft is set in " ten " font, and worm-wheel shaft is vertically arranged, and worm gear is put down with horizontal plane
OK, meanwhile, the center of worm gear and worm-wheel shaft offers a mounting hole, and mounting hole runs through from one end of worm-wheel shaft to the other end；
Screw is vertically disposed, and one end of screw is arranged in mounting hole and fixed, and the other end of screw is along worm gear
Bottom direction extension, and slide block set is arranged on screw, and is provided with and the matched screw thread of screw thread on screw in sliding block.
A kind of above-mentioned lifting structure, wherein, shaft coupling, and shaft coupling are provided between the drive shaft of driver and worm screw
For oldham coupling.
A kind of above-mentioned lifting structure, wherein, stent includes base and driver rack, and perpendicular support is provided with base,
Retarder is fixedly installed in perpendicular support, and perpendicular support is arranged at the bottom of retarder, and driver is fixed with driver rack.
A kind of above-mentioned lifting structure, wherein, clutch shaft bearing, and two are arranged with the both ends of the worm-wheel shaft on worm gear
One bearing is directly and chassis contact.
A kind of above-mentioned lifting structure, wherein, each clutch shaft bearing is both provided with sealing structure away from the side of worm gear.
A kind of above-mentioned lifting structure, wherein, upper cover plate is provided with the top of casing, upper cover plate is covered in a sealing structure
On, the bottom of casing is provided with connection cover, is offered in connection cover by hole, and connection cover is arranged at another sealing structure away from the
The side of one bearing, and be coaxially disposed by hole and mounting hole.
A kind of above-mentioned lifting structure, wherein, gap is provided between upper cover plate and sealing structure, and upper cover plate is detachable
Be fixed on screw.
A kind of above-mentioned lifting structure, wherein, screw passes through passing through in connection cover away from the one end for being fixed with upper cover plate
Hole.
A kind of above-mentioned lifting structure, wherein, screw is threaded through being arranged with second bearing, second bearing on one section of hole
It is fixed on by hole, and second bearing is thrust ball bearing.
A kind of above-mentioned lifting structure, wherein, sliding block is trapezoidal thread with the screw thread on screw, and is arranged with sliding block
Overcoat, and overcoat longitudinal section is set in "U" shaped, sliding block is arranged at the "U" shaped opening of overcoat, and overcoat is also sheathed on screw
On one end of retarder.
The good effect of above-mentioned technical proposal is：1st, the fit structure of screw and sliding block is set to realize lifting, structure is not easy
Deformation, ensure that the precision of lifting and extends service life；2nd, retarder is provided between driver and lifting structure, and is subtracted
Fast device is worm type of reduction gearing, and transmission is more steady, and structure is simpler, equally ensure that the precision of lifting, also reduces at the same time
Cost；3rd, worm gear and worm-wheel shaft are set in integral type, while the both ends of worm-wheel shaft can be directly fixed on casing by bearing,
Prevent the precision of repeatedly trueness error caused by assembling, further lifting lifting；4th, overcoat is arranged with sliding block, meanwhile, overcoat
Also screw is wrapped up away from one end of retarder, had both protected the screw thread of screw and sliding block without damage, while cunning can also be limited
Block excessively lifts and damages or cause security incident；5th, screw in connection cover by being arranged with a second bearing at hole,
Two bearings can further ensure the stability of screw installation, and the precision of lifting is improved in the situation for reducing frictional dissipation.
Brief description of the drawings
Fig. 1 is a kind of structure chart of the embodiment of lifting structure of the utility model；
Fig. 2 is the longitudinal section of the worm gear of one preferred embodiment of the utility model.
In attached drawing：1st, stent；11st, base；12nd, driver rack；111st, perpendicular support；2nd, driver；3rd, retarder；31、
Casing；32nd, worm screw；33rd, worm gear；34th, worm-wheel shaft；35th, clutch shaft bearing；36th, sealing structure；37th, upper cover plate；38th, connection cover；
39th, second bearing；341st, mounting hole；4th, screw；5th, sliding block；6th, overcoat；7th, shaft coupling.
Embodiment
In order to make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, with
Lower embodiment combination attached drawing 1 is specifically addressed technical solution provided by the utility model to attached drawing 2, but herein below not as
The restriction of the utility model.
Fig. 1 is a kind of structure chart of the embodiment of lifting structure of the utility model；Fig. 2 is preferably real for the utility model one
Apply the longitudinal section of the worm gear of example.As depicted in figs. 1 and 2, lifting structure provided in this embodiment includes：Stent 1, base 11,
Driver rack 12, perpendicular support 111, driver 2, retarder 3, casing 31, worm screw 32, worm gear 33, worm-wheel shaft 34, mounting hole
341st, clutch shaft bearing 35, sealing structure 36, upper cover plate 37, connection cover 38, second bearing 39, screw 4, sliding block 5, overcoat 6 and
Shaft coupling 7.
Specifically, stent 1 includes base 11 and driver rack 12, perpendicular support 111, perpendicular support are provided with base 11
111 is vertically disposed, and perpendicular support 111 is provided with retarder 3 away from the side of base 11, and driver rack 12 is arranged at bottom
The side of seat 11, meanwhile, driver 2 is fixedly installed on driver rack 12, enough height are provided for whole device, so that
Realize elevating movement.
Specifically, the drive shaft of driver 2 and the input axis connection of retarder 3, and the drive shaft of driver 2 and deceleration
Shaft coupling 7 is provided between the input shaft of device 3, stablizing for kinetic energy between driver 2 and retarder 3 is realized and transmits, and not
The damage of driver 2 or retarder 3 is easily caused, as preferred embodiment, shaft coupling 7 is 5 shaft coupling 7 of sliding block, dismounting
It is more convenient, adaptability higher.
Specifically, retarder 3 includes casing 31, worm gear 33 and worm screw 32, worm gear 33 and worm screw 32 are provided with casing 31,
And the worm gear 33 and worm screw 32 in casing 31 are intermeshed, it is easy to implement worm screw 32 and drives worm gear 33 to rotate, worm gear 33 is arranged
In on a screw 4, screw 4 is driven to rotate by the rotation of worm gear 33.
More specifically, worm screw 32 is the input shaft of retarder 3, and worm screw 32 is arranged in a horizontal plane, and worm screw 32 is horizontal
In in casing 31, the driving axis connection of casing 31 and driver 2 is stretched out in one end of worm screw 32, and driver 2 drives worm screw 32 to rotate.
More specifically, worm gear 33 is arranged in the horizontal plane residing for worm screw 32, and worm gear 33 and worm-wheel shaft 34 are in one
Formula is set, and the rigging error between worm gear 33 and worm-wheel shaft 34 is avoided, so as to improve lifting precision.
More specifically, the longitudinal section of 34 overall shape of worm gear 33 and worm-wheel shaft is set in " ten " font, and worm-wheel shaft 34 is in
Vertical direction is set, and the both ends of worm-wheel shaft 34 may be contained within casing 31, and the center of worm gear 33 and worm-wheel shaft 34 is both provided with one
Mounting hole 341, and mounting hole 341 extends through the other end from one end of worm-wheel shaft 34, meanwhile, the both ends of worm-wheel shaft 34 and it is located at
Clutch shaft bearing 35 is both provided with casing 31, effectively reduces the frictional dissipation of worm-wheel shaft 34 and casing 31, and by by snail
Wheel shaft 34 is placed directly on casing 31, the stability that worm gear 33 is installed is ensure that, so as to improve the precision of lifting.
More specifically, the both ends of worm-wheel shaft 34 and it is both provided with respectively positioned at clutch shaft bearing 35 away from the side of worm gear 33
Sealing structure 36, ensure that the lubricating oil in retarder 3 will not be revealed.
More specifically, the top of retarder 3 is provided with upper cover plate 37, and the bottom of retarder 3 is provided with connection cover 38, on
Cover board 37 is arranged at the side that a wherein sealing structure 36 on worm-wheel shaft 34 deviates from clutch shaft bearing 35, and upper cover plate 37 and this
Gap is provided between sealing structure 36, upper cover plate 37 is detachably secured on screw 4, ensure that screw 4 can rotate freely,
Meanwhile connection cover 38 is arranged at another sealing structure 36 on worm-wheel shaft 34 away from the side of clutch shaft bearing 35, realizes to close
The compression of seal structure 36, while casing 31 is formed into a closed space of approximation, security higher.
More specifically, one is offered in connection cover 38 by hole, and be installed in connection cover 38 on retarder 3 by hole
When be arranged concentrically with mounting hole 341, also, a screw 4 is fixed with mounting hole 341, one end and the mounting hole 341 of screw 4 are matched somebody with somebody
Conjunction is fixed on worm gear 33, and the other end of screw 4 is threaded through hole, and screw 4 is vertically arranged, guarantees to realize lifting fortune
Work(.
More specifically, screw 4 is threaded through being arranged with a second bearing 39 on one section of hole, and second bearing 39 is solid
In by hole, it is preferred that second bearing 39 is thrust ball bearing, reduces the frictional dissipation of screw 4, while extends and make
Use the service life.
More specifically, one end that screw 4 is stretched is arranged at bottom and the extension of retarder 3, and screw 4 this
Sliding block 5 is arranged with end, be provided with sliding block 5 with the matched screw thread of screw thread on screw 4, during screw 4 is rotating
Sliding block 5 can be moved up and down along the length direction of screw 4, it is preferred that the screw thread on screw 4 and sliding block 5 is trapezoidal thread, is nibbled
Conjunction is more complete, and is unlikely to deform, and improves lifting precision and extends service life.
More specifically, overcoat 6 is arranged with sliding block 5,6 longitudinal section of overcoat is set in "U" shaped, and sliding block 5 is arranged at outer
The "U" shaped opening of set 6, overcoat 6 are also sheathed on screw 4 on one end of retarder 3, had both protected screw 4 and sliding block 5
Screw thread it is without damage, while the excessively lifting of sliding block 5 can also be limited and damage or cause security incident.
As preferred embodiment, driver 2 is motor, is operated steadily, and rapid reaction is easy to control, and is easily realized
The rotating of drive shaft, is more easy to realize the rotating of screw 4, so as to fulfill the lifting of sliding block 5.
Lifting structure provided in this embodiment, including the stent 1 of driver 2 and retarder 3 is set, retarder 3 is worm gear
33 worm screw, 32 structure, and a screw 4 is fixed with the axle center of worm gear 33, sliding block 5 is arranged with screw 4, and set in sliding block 5
The screw thread identical with screw thread on screw 4 is equipped with, and worm gear 33 and worm-wheel shaft 34 are set in integral type, meanwhile, one end of screw 4
In the mounting hole 341 for protruding fully into worm gear 33 and worm-wheel shaft 34, and the both ends of worm-wheel shaft 34 are straight by clutch shaft bearing 35
Connect and be connected with casing 31；Slow down by setting 5 structure of screw 4 and sliding block, and by the accelerator of 33 worm screw 32 of worm gear,
Load-bearing capacity is improved, ensure that 4 rotating stabilization of worm gear 33 and screw, so as to improve lifting precision and extend using the longevity
Life, and turbine and worm-wheel shaft 34 are set in integral type, and the both ends of worm-wheel shaft 34 are directly fixed on casing 31, further
Stability is improved, improves lifting precision, and it is simple in structure, reduce cost.
It these are only the utility model preferred embodiment, not thereby limit the embodiment and protection of the utility model
Scope, to those skilled in the art, should can appreciate that all with the utility model specification and diagramatic content institute
The equivalent substitution made and obviously change obtained scheme, should be included in the scope of protection of the utility model
It is interior.
Claims (10)
- A kind of 1. lifting structure, it is characterised in that including：Stent, driver, retarder and screw and sliding block, the driving Device and the retarder are fixedly installed on the stent, and the drive shaft of the driver and the input of the retarder Axis connection, wherein,The retarder includes casing, worm gear and worm screw, and the casing is fixed on the stent, the worm gear and the snail Bar is arranged in the casing and is intermeshed, and the worm screw is input shaft, and one end of the worm screw is connected to the driver Drive shaft on, the worm gear and worm-wheel shaft are set in integral type, and the vertical of the overall shape of the worm gear and the worm-wheel shaft cuts Face is set in " ten " font, and the worm-wheel shaft is vertically arranged, and the worm gear is parallel with horizontal plane, meanwhile, the worm gear and described The center of worm-wheel shaft offers a mounting hole, and the mounting hole runs through from one end of the worm-wheel shaft to the other end；The screw is vertically disposed, and one end of the screw is arranged in the mounting hole and fixes, the screw The other end extends along the bottom direction of the worm gear, and the slide block set is arranged on the screw, and is set in the sliding block Have and the matched screw thread of screw thread on the screw.
- 2. a kind of lifting structure according to claim 1, it is characterised in that the drive shaft of the driver and the worm screw Between be provided with shaft coupling, and the shaft coupling is oldham coupling.
- 3. a kind of lifting structure according to claim 1, it is characterised in that the stent includes base and driver branch Frame, is provided with perpendicular support on the base, the retarder is fixedly installed in the perpendicular support, and the perpendicular support is arranged at The bottom of the retarder, is fixed with the driver on the driver rack.
- A kind of 4. lifting structure according to claim 1, it is characterised in that the both ends of the worm-wheel shaft on the worm gear On be arranged with clutch shaft bearing, and two clutch shaft bearings directly with the chassis contact.
- 5. a kind of lifting structure according to claim 4, it is characterised in that each clutch shaft bearing deviates from the worm gear Side be both provided with sealing structure.
- A kind of 6. lifting structure according to claim 5, it is characterised in that upper cover plate is provided with the top of the casing, The upper cover plate is covered in a sealing structure, and the bottom of the casing is provided with connection cover, is opened up in the connection cover Have by hole, the connection cover is arranged at another sealing structure and deviates from the side of the clutch shaft bearing, and described passes through hole It is coaxially disposed with the mounting hole.
- 7. a kind of lifting structure according to claim 6, it is characterised in that between the upper cover plate and the sealing structure Gap is provided with, and the upper cover plate is detachably secured on the screw.
- 8. a kind of lifting structure according to claim 7, it is characterised in that the screw, which deviates from, is fixed with the upper cover plate One end pass through hole through described.
- 9. a kind of lifting structure according to claim 8, it is characterised in that the screw passes through one section of hole described in On be arranged with second bearing, the second bearing is fixed on described by hole, and the second bearing is thrust ball bearing.
- 10. a kind of lifting structure according to claim 1, it is characterised in that the sliding block and the screw thread on the screw It is trapezoidal thread, and overcoat is arranged with the sliding block, and the overcoat longitudinal section is set in "U" shaped, the sliding block is set The "U" shaped opening of the overcoat is placed in, the overcoat is also sheathed on the screw on one end of the retarder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143790.4U CN207364215U (en) | 2017-09-07 | 2017-09-07 | A kind of lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143790.4U CN207364215U (en) | 2017-09-07 | 2017-09-07 | A kind of lifting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364215U true CN207364215U (en) | 2018-05-15 |
Family
ID=62351873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721143790.4U Expired - Fee Related CN207364215U (en) | 2017-09-07 | 2017-09-07 | A kind of lifting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207364215U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253915A (en) * | 2019-07-19 | 2019-09-20 | 软控股份有限公司 | A kind of template lifting device |
| CN110589013A (en) * | 2019-08-19 | 2019-12-20 | 沈阳宝通门业有限公司 | Lifting adjusting support suitable for fixed horizontal tail dock |
| WO2022134222A1 (en) * | 2020-12-21 | 2022-06-30 | 德沃康科技集团有限公司 | Linear driver for electric furniture, and electric furniture |
-
2017
- 2017-09-07 CN CN201721143790.4U patent/CN207364215U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253915A (en) * | 2019-07-19 | 2019-09-20 | 软控股份有限公司 | A kind of template lifting device |
| CN110589013A (en) * | 2019-08-19 | 2019-12-20 | 沈阳宝通门业有限公司 | Lifting adjusting support suitable for fixed horizontal tail dock |
| CN110589013B (en) * | 2019-08-19 | 2024-04-02 | 沈阳宝通门业有限公司 | Lifting adjusting bracket applicable to fixed horizontal tail dock |
| WO2022134222A1 (en) * | 2020-12-21 | 2022-06-30 | 德沃康科技集团有限公司 | Linear driver for electric furniture, and electric furniture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 |